Filter



FIG. 1 is a top perspective view of the filter;

FIG. 2 is a top view of the filter, taken from the frame of reference ofFIG. 1;

FIG. 3 is a bottom view of the filter, taken from the frame of referenceof FIG. 1;

FIG. 4 is a side view, in elevation, of the left side of the filter,taken from the frame of reference of FIG. 1;

FIG. 5 is a side view, in elevation, of the right side of the filter,taken from the frame of reference of FIG. 1;

FIG. 6 is a front view of the filter, taken from the frame of referenceof FIG. 1;

FIG. 7 is a rear view of the filter, taken from the frame of referenceof FIG. 1; and,

FIG. 8 is a bottom perspective view of the filter.

The broken lines are included for the purpose of illustrating unclaimedportions of the filter and form no part of the claimed design.

CLAIM The ornamental design for a filter, as shown and described.